RC6432F3482CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F3482CS is a 34.8 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently in active production status with 825 units available in inventory.

Substitute parts become necessary when the primary manufacturer experiences supply constraints, lead time extensions, or when design requirements mandate specific certifications such as automotive qualification (AEC-Q200). The ERJ-1TNF3482U represents a functionally equivalent alternative, though it carries a "Not For New Designs" status from Panasonic.

Substiute Parts

RC6432F3482CS

Samsung Electro-MechanicsIn Stock: 927RC6432F3482CS Datasheet

Current PartRFQ

ERJ-1TNF3482U

Panasonic Electronic ComponentsIn Stock: 3647ERJ-1TNF3482U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F3482CS is determined by strict alignment with the following parameters:

Critical Matching Parameters:

• Resistance value: 34.8 kOhms (exact match required)
• Tolerance: ±1% (no deviation permitted)
• Power rating: 1W (thermal equivalence)
• Package designation: 2512 (6432 Metric) (PCB footprint compatibility)
• Composition: Thick Film (electrical performance characteristics)

Important Matching Parameters:

• Temperature coefficient: ±100ppm/°C (temperature stability)
• Operating temperature range: -55°C to 155°C (environmental suitability)
• RoHS compliance: ROHS3 (regulatory alignment)
• Moisture sensitivity: MSL 1 (handling compatibility)

The ERJ-1TNF3482U from Panasonic Electronic Components meets all critical and important parameters. Physical dimensions show minor variations (0.252" L vs 0.248" L; 0.028" H vs 0.026" H maximum seated height), which remain within acceptable PCB assembly tolerances for 2512 package specifications. Both parts feature identical electrical specifications and environmental ratings.

Parameter Comparison

Engineering Selection Recommendations

For Active Production and New Designs: The RC6432F3482CS from Samsung Electro-Mechanics is the primary selection. It maintains active product status, ensuring long-term availability and consistent manufacturing specifications. Current inventory of 825 units supports immediate procurement requirements.

For Existing Designs or Supply Continuity: The ERJ-1TNF3482U from Panasonic Electronic Components provides functional equivalence across all critical electrical and thermal parameters. However, this part carries "Not For New Designs" status, indicating Panasonic's intention to phase out this product line. Selection of this substitute should be limited to legacy design support or temporary supply bridging.

Certification Considerations: The ERJ-1TNF3482U includes Automotive AEC-Q200 qualification, which the RC6432F3482CS does not specify. If automotive-grade reliability is a design requirement, the Panasonic part offers this additional certification despite its discontinued status. The Samsung part's moisture-resistant specification provides equivalent environmental protection for non-automotive applications.

Physical Compatibility: Dimensional variations between the two parts (length: 0.004" difference; height: 0.002" difference) fall within standard PCB assembly tolerances for 2512 package components. Both parts are suitable for the same PCB footprint without design modification.

Frequently Asked Questions (FAQ)

Q: Can the ERJ-1TNF3482U directly replace the RC6432F3482CS in existing assemblies?

A: Yes. Both parts share identical electrical specifications (34.8 kOhms ±1%, 1W, ±100ppm/°C), operate across the same temperature range (-55°C to 155°C), and use the 2512 package. Physical dimensions are within PCB assembly tolerances. No circuit redesign is required.

Q: Why does the Panasonic part have "Not For New Designs" status?

A: This designation indicates Panasonic's product lifecycle decision to discontinue the ERJ-1TNF3482U series. New designs should specify the Samsung RC6432F3482CS or equivalent active-status alternatives. Existing designs may continue using the Panasonic part during its remaining availability window.

Q: Are there differences in moisture sensitivity between these parts?

A: No. Both parts carry MSL 1 (Unlimited) rating, indicating identical moisture sensitivity levels and identical handling, storage, and reflow requirements.

Q: Does the Automotive AEC-Q200 certification on the Panasonic part affect compatibility?

A: The AEC-Q200 certification on the ERJ-1TNF3482U represents an additional qualification that the Samsung part does not claim. For non-automotive applications, this difference is not relevant. For automotive designs requiring AEC-Q200 compliance, the Panasonic part provides this certification, though its discontinued status creates long-term supply risk.

Q: What is the significance of the 0.004" length difference between parts?

A: The length difference (6.30mm vs 6.40mm) is within standard 2512 package manufacturing tolerances and PCB footprint design margins. This variation does not affect electrical performance or mechanical fit in standard 2512 footprints.

Q: Can I mix these parts in the same production batch?

A: Both parts meet identical electrical and environmental specifications. However, mixing different manufacturers in a single production batch may complicate traceability and quality documentation. Consistent sourcing from a single manufacturer per production run is recommended for manufacturing control purposes.

Q: What should I do if the RC6432F3482CS becomes unavailable?

A: Verify current availability of the ERJ-1TNF3482U through authorized distributors. If both parts are unavailable, consult the extended substitute list provided in the main part specification (RMCF2512FT34K8, CRCW251234K8FKTG, RC2512FK-0734K8L, CRCW251234K8FKEGHP, ERJ-S1TF3482U) for additional equivalent options meeting the same parameter criteria.